Two friends spent $55 at the mall. the first friend spent less than the second friend. the difference between the amount each friend spent was $15. to find the amount each friend spent, solve a system of equations using the addition method. what is the next step after writing the system of equations? find the amount each friend spent.

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Write the contrapositive of the conditional statement. determine whether the contrapositive is true or false. if it is false, find a counterexample. a converse statement is formed by exchanging the hypothesis and conclusion of the conditional. a) a non-converse statement is not formed by exchanging the hypothesis and conclusion of the conditional. true b) a statement not formed by exchanging the hypothesis and conclusion of the conditional is a converse statement. false; an inverse statement is not formed by exchanging the hypothesis and conclusion of the conditional. c) a non-converse statement is formed by exchanging the hypothesis and conclusion of the conditional. false; an inverse statement is formed by negating both the hypothesis and conclusion of the conditional. d) a statement not formed by exchanging the hypothesis and conclusion of the conditional is not a converse statement. true